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# Copyright 2018 Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# =*= License: GPL-3+ =*=
import os
import vmdb
class LvcreatePlugin(vmdb.Plugin):
def enable(self):
self.app.step_runners.add(LvcreateStepRunner())
class LvcreateStepRunner(vmdb.StepRunnerInterface):
def get_key_spec(self):
return {"lvcreate": str, "name": str, "size": str}
def run(self, values, settings, state):
vgname = values["lvcreate"]
lvname = values["name"]
size = values["size"]
vmdb.runcmd(["lvcreate", "-qq", "--name", lvname, "--size", size, vgname])
lvdev = "/dev/{}/{}".format(vgname, lvname)
assert os.path.exists(lvdev)
state.tags.append(lvname)
state.tags.set_dev(lvname, lvdev)
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